/Engine/Source/Runtime/Core/Public/Unix/UnixPlatformProcess.h
static [FProcHandle](API\Runtime\Core\Unix\FProcHandle) CreateProc ( const TCHAR * URL, const TCHAR * Parms, bool bLaunchDetached, bool bLaunchHidden, bool bLaunchReallyHidden, uint32 * OutProcessID, int32 PriorityModifier, const TCHAR * OptionalWorkingDirectory, void * PipeWriteChild, void * PipeReadChild, void * PipeStdErrChild )